Machine for grinding the ends of cotton gin ribs



Sept. 12, 1933. J. B EHLE 1,926,577

MACHINE FOR GRINDING THE ENDS OF COTTON GIN RIBS Filed April 26, 1929 4 Sheets-Sheet Jam 2h flab/ Sept. 12, 9 .1. BEHLE 1,926,577

MACHINE FOR GRINDING THE ENDS 0F COTTON GIN RIBS Filed A ril 26, 1929 4 Sheets-Sheet 2 gwuentoz Sept. 12, J BEHLE MACHINE FOR-GRINDING THE ENDS OF COTTON GIN RIBS Filed April 26, 1929 4 Sheets-Sheet 3 J. BEHLE Sept. 12, 1933.

MACHINE FOR GRINDING THE ENDS OF COTTON GIN RIBS Filed April 26, 1929 4 Sheets-Sheet 4 duo! we 50 (Figs. and 9), which are suitably'fastened upon.

Patented SeptelZQ 1933 moms m GRINDING 111mm 01* COTTON GIN RIBS JosephBehle iballas; Tern, ass i gnor' to The 7' v MurrayfCompany, Dallas, .fl'exga corporation This invention relatesto new and useful 1m:

of cotton gi'n irib .provements' in machines Io'rgrinding the 'ends One. objectof the invention is to" provide a Jmaby they may beconstantly maintained at agiven distance so'as to assurethe grinding or allrihstothesamelengthum w 7 l A.c.onstruc'tion' designed to carryout the inwith other features of the invention; 1: :The invention will befmore readily understood from a reading of the following specification and p vention. will be:hereinafter described.together,

V by reference to the accompanying drawings in. whichanexample of the invention-isshown, and

whereinz.

zFig; "1' is V structed iii-accordancewith the invention;

Fig. .2 isa detail er the drive helm-tightening devices I h I Fig. 14 "is a detailofthe grinde i'adjustment,...-

t f -.'Fig ..7- 158) reduced plan view ottheniachine,

' 'In the drawings the numeral loidesignates -.gframe is preferably formed of =metal andjcha'nelevatiom- Fig.' 3 isa' side simmer the methane @Figs. 5 and 6 ar.e.;. sect iona1 views ofttheirib carryingdrum, 1

showingthedrum driving means; I I 1.1 .Fig. 9' is-axr enlarged view ofthe. 'drum'l'and its driving means Fig.-8 isyan .enlarge'd vertical sectional-view ;Fig..10 is a h 7 h an upright frame. having a lintel 11 atits top.- This nels may be used for this'purpose. A bed-12 is mounted in the frame and a base 13' is secured-on .said bed. .At each aresecured; i r V 7 Circular carriers or heads '15 and 16, respectively, are each provided with central collars 1'7 a shaft 1'8 journaled inthe upper ends oitthe standards 14, @For revolving the shaft, a large worm gear 19 is fastened thereon, as isbest shown in Figs. 8andg9. 'This worm wheel isdriyen by a invention is to provide, means for adjusting the grinding elements wherea front elevation (of a machine 'eo'n- 1 outwardly sothat theribs' may be placed in position in the-brackets 28 and supported by the V pins-'29. Asthe" carriers revo1ve.- the=rollersi33fi partly in section and partly in side or the base'standards 14' worm screw 20Iznounted a counter. shaft 21. supportedin bearing brackets 22carried-bythe base 13, .as is bestshow'n in Fig. 8. 'IhQShaft 21:

is driven bya'wormwheel 23 which meshes :with

a worm screw/.124 mountedon a drive; shaft 25 suitably. supported in the base' '13,; .The drive shaft has adastpulley 26 and aloosepu1ley -2'Z for receiving a suitable drive belt (not shown);

{The carrie'rslti and tlfi are substantially-alike except that .the periphery of thecarrier .16iis-in- "cline'd to. receive the foot B'of the rib-iA,".while;

the: surface of the carrier 15 is not inclined {The carrierzl5 haso'verhanging stop brackets 28 fixe'd A thereon and thez-feet C ofithe ribs are engaged under. theselbra'ckets andheld therein .bylp'eriphg .eral lugs 29. The carrier; 16 also hasthelugs 29;

Each carrier, is ji'providediwith radially sliding plungers 301having hooks 31 on their outer ends.

(Figs;5'and 6), whichcoactwith the lugs 29.110!

hold the ribs on the carriers. i Eachstandard' 14. carries a' circular shoe. or disk 32 around which one'of thecarriersrevoIyes; Each. plungenhas a'roller 33 j'ournaled onitsinner end and travq I elling onlthe shoe. On each plunger: .a. coiled spring .S is confined between the roller and'tthe I rim of the carrier acting toxforce theplungen inwardly and thusholdingthe roller'fonthe sura face of theshoea- Each shoe is provided withfopposite camsl35 1 and when the rollersaride upon theseycams "the" plungersfare displaced outwardly, as isindicate'd' in Figifi. One .of the cams-t5".is located onthe ,7

frontside and functions to displace the'iplungers dropsofi 'of. the front cams;whereby the springs" 34' cause thehooksill to'cIaInpthe ribs in posiplanview; of ithe rib stabilize'r, and I;.Figrll:is-a'psideelevationof the-same.

The rear act to 'gdisplace the plungers' 30 outwardly so that theribs may be discharged,

' from. the 1 .carri'ers up'on engaging the inclined slide 36 at the .rear of the. machine; as is shown. in Figs. 7and8. It will be seen that the opera-T tor merely has to place the ribs. on the carriers and the rest of the operation is automatic, j

For grinding theends of the feetlB and C of the ribs," g'rinding wheels 37 of .carborundum; or;

any other suitable material, aremounted adja- I I m.

cent each carrier. Each wheel is journaled in "a guard housingBS upon an arbor 39. Each arbor is mounted in a' pa'ir'of bearing boxes 40 fas-i I 'tened 'on sa'yoke 41 hingedon a pin 42 'carriedl by i the standards 14.

T W s fi tion and .adiusted fib by means ofscrews 43, one of which is threaded into each yoke, as is shown in Fig. 4, and ex:-

tending outwardly and loosely through an arm 44 projecting from thestandard .14. Each screw tening the yokes the grinding wheels37,-whichare at right angles to the carriers, are heldin proper position and are correctly spaced to grind the ends of the ribs and thus gage teach rib asto length. i

The grinding Wheels driven by-a belt 48, which in turnis driven by'ja pulley 49 mounted on the armature shaft of an electric motor 50. Each electric motor is mount ed on aswing base 51 pivoted at oneend to a base plate 52 secured on the lintel 11 of the frame :10; The opposite end-ofeach'swing base 51Lissupportedjon the upperendof a-vertical adjustings'crew 53threaded in a boss 54: carried by the b'ase plate 52 ariddependingfthrough(the lintel 1.1, as is best shownin Fig. 2. :Each screw.

" 53 has aj hand wheel 55 for'adjustingthe screw,

cular hood 56 hasfits rearend. supported on the slide36-and its front. end carried by a. door 57 whi'chlis. supportedson the base 13.. The parts 36, 56 and 57 enclose-the carrier driving 'mechanisn and; also closethe space between the: car'- ,riers; .Whenthe'feet-sBand C of aLrib pass be t'weenthe grinding-.wheels37 thefrib is supported 3 substantially vertically over the axle I18 The rib-is 'heldjin position by the coiled spring-34,.

' but additional supporting means is provided for.

Q the rib whileuits ends are being ground. Thissu'pportinggmeans includes a'wing. 58sjournaled at leach endjnea'rs59 carried by-the hood 56.--Thewing has a short lever a60 extending from. its

62 connected .tofthe lowerend of the lever is at tachedfto-a lugi.-63 at the'rearzof the hood and bottom ,ithrougha s1ot,61f in the hood '56, 'as is best -shown .in' Figs. 10 vand'di. A coiledispring within the same so "asto swing the Wing for-- Wardly or toward the'op'erator. r

carriers the: rib engages the tip andfswingsthe wing 6, 5 toanuprightposition against theten I 'sion .of. the spring :62, whereby thesrib is' sup- DQItdas its, ends' are acted uponby the grindthe wing to'iits-normaliposition.'

. -It-will: be seen thatitne operator'merely has to engage-the feet 0 of the ribs under the-brackets.

ing fwheelsf371q After" the grinding operation the rib rides oiT of. the tip and the springv 62 "returns" 2 8,softhat the feet Band Creston the. lugs 29.

grinding operation.

Various changes in the size idifferentfparts, as well as modifications and al- I terationsQmay be made within the scope of the are separatelydriven and,

each arbor has mounted thereonlafpulley 47 I v i 1 1 T 1. In 'a' gin -rib grinding machine; a pair of 'tioning the ribsthereon; I

means onthe carriers constructed for gripping,

He will hold each rib in position'until the rollers 33 of itsplunger 30 ride off the front cams 35, after which the rib is automatically operated upon. After passing between the grinding wheels 3'7 the rib is released by the rear cams 35 and discharge down the slide 36, as has been hereinbefore described. [The ribs discharged from the slide 36 may be suitably taken to the next-machine to carry out the next step in the and shape of the appended'claims.

grinding elementsfor-grindingthe ends of a gin' 'rib, ineansfor-carrying a rib between said grinding elements for grinding its ends, and a rib support-locatedin the path of a rib to be actuated by'the rib into supporting position during the grinding operations 2. In a gin rib grinding machineya support, a carrier mounted to revolveon' said support, radially movable plungers rnounted' on the, carrier, cams engagedby the plungers to displace the plungers, springs for returning the plungers; .hookson the plungersfcoj-acting with carrier for holding. a rib thereon,- and means for grinding the endsof a rib held on the carrierby the hooks.

3. Ina ginlrib grinding'machine, a' support,

a' carrier mounted to' revolve onsaid supportyradially movable plungers mountedon the carriers, cams F engaged by the plungers to displace. the. plungers, springsf for .returning the plungers,

hooks onythe plungers'co-acting with the carrier i for holding a rib thereon, 1neansfor grinding the ends ofia" rib held on the carrier by the hooks; and stationary means'omthedcarriergfor posi 4. Tina gin rib grinding maohine, a pairlof grindingelements, a pair ofv circular carriersof unequal diameters having means for grippingthe feet of'a gin ribjfor supportingsaid rib and for carrying said rib betweensaid grinding elements. *A-gin rib grinding machine as set forth in claim 4, with-imeans'for'adjusting the grinding elements to, gage the-lengthzto which each rib ugrindingfwheels, a.- drumhaving apair of rotatablecarriers at opposite ends of 'said drum,

the feet-of agini rib to carry the latter between the peripheries of. the grinding Wheels, and means for, discharging the rib from-the carriers, vwith arib supporton the drum in the path 'of therib to be -actuated by the rib into supporting .posi- 3 tion .during'ithe grinding operation. and means foradjustingthe grinding elements toward and fromithec'arrier. 13-21 c 5 JOSEPH .BEHLE. J g l I 

